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Description: Patent for an invention of a valve locking device by which the fuel supply pipe can be cut off and a valve which is inserted in the said pipe locked in the cut off position.
Date: July 15, 1919
Creator: Melton, William C.
Partner: UNT Libraries Government Documents Department

Water-Elevator.

Description: Patent for a water elevator. The invention produces a means for "high power water elevating" which provides " a steady and voluminous flow of water" (lines 20-22). Illustration included.
Date: November 25, 1919
Creator: Barnett, Grady L.
Partner: UNT Libraries Government Documents Department
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